詞語:preexistent
preexistent的同義詞
a. pre-existent ,preexisting ,pre-existing
preexistent的解釋
preexistent['pri:iɡ'zistənt]adj. 先在的;事先存在
preexistent的意思
preexistent 先在的;前世的;
preexistent的參考例句
1.As one of Data Mining technologies, the Cluster Analysis can analyse the data without preexistent knowledge and direction. 聚類分析,是在無先驗知識無指導下進行數據分析的一種數據挖掘技術。
2.The core idea of the method was to seek frequently-used sets of services combination sequences from the preexistent ones, then used the frequent sequences to recommend the services. 其核心思想是通過從以往服務組合序列中發現高頻率出現的組合序列集,然後利用該序列集進行服務推薦。
3.The preexistent experiences from other large countries with a great diversity of aquatic ecosystem are beneficial to the nationwide forthcoming watershed restoration and management in China. 國際河流分類體系的研究成果對於我國多類型河流的生態恢復與管理具有重要的借鑒意義。